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Write an equation that relates the angle in a triangle. The measure of angle A is 45 degrees. The measure of angle B is b degrees. The measure of angle C is 3b degrees.

Respuesta :

Lucy1891
Since the interior angles of a triangle equal 180°, then 180-45=135.

Then you would use 135 to find the remaining two angles: b+3b=135.
4b=135.

Divide to find b. And the plug in whatever b is for the to figure out Angles B and C.

However, I believe the equation it's looking for is: 180=45+b+3b OR 45+4b=180